2054542251 has 8 divisors (see below), whose sum is σ = 2740046400. Its totient is φ = 1369366472.

The previous prime is 2054542247. The next prime is 2054542261. The reversal of 2054542251 is 1522454502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2054542251 - 2² = 2054542247 is a prime.

It is a super-2 number, since 2×2054542251² = 8442287722288294002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2054542241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67101 + ... + 92798.

It is an arithmetic number, because the mean of its divisors is an integer number (342505800).

Almost surely, 2^2054542251 is an apocalyptic number.

2054542251 is a deficient number, since it is larger than the sum of its proper divisors (685504149).

2054542251 is a wasteful number, since it uses less digits than its factorization.

2054542251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164185.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2054542251 is about 45327.0587066931. The cubic root of 2054542251 is about 1271.2716407106.

Adding to 2054542251 its reverse (1522454502), we get a palindrome (3576996753).

The spelling of 2054542251 in words is "two billion, fifty-four million, five hundred forty-two thousand, two hundred fifty-one".